Finding the Fourth Proportional to 19,257,913.62, 26,560,424.75 and 16,929,828.36
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Solution
The fourth proportional to 19,257,913.62, 26,560,424.75 and 16,929,828.36 is: 23,349,540.40
Step by Step Solution
- Step 1: Write the proportion equation
19,257,913.62 : 26,560,424.75 = 16,929,828.36 : x - Step 2: Convert to fraction form
19,257,913.62/26,560,424.75 = 16,929,828.36/x - Step 3: Cross multiply
19,257,913.62x = 26,560,424.75 × 16,929,828.36 - Step 4: Simplify right side
19,257,913.62x = 449,663,432,101,546.75 - Step 5: Solve for x
x = 449,663,432,101,546.75/19,257,913.62 - Step 6: Final answer
x = 23,349,540.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.